N = int(input())
A = list(map(int, input().split()))
B = [list(map(int, input().split())) for _ in range(N)]
N2 = 1 << N
ans = 0
ans2 = []
for i in range(1, N2):
    x = i
    G = []
    for j in range(N):
        if x & 1:
            G.append(j)
        x >>= 1
    tmp = 0
    n = len(G)
    for j in range(n):
        tmp += A[G[j]]
        for k in range(j + 1, n):
            tmp += B[G[j]][G[k]]
    if ans < tmp:
        ans = tmp
        ans2 = G

print(ans)
ans2 = [i + 1 for i in ans2]
print(*ans2)